Relay apparatus

Relay driver

Relay driver circuit

Relay driving circuit for a latch-in relay

Relay energizing circuit

Relay plug socket

Relay power reduction circuit

Releasable magnetic attachment for underwater diver's hose and t

Remote switch control and status indicator system

Remotely controlled rotary switch for simulating multi-position,

Repulsion coil actuator for high speed high power circuits

Residual magnetic devices and methods

Residual magnetism reversing circuit for an electromagnetic clut

Resonance field discharge

Resonant circuit which provides dual frequency excitation for ra

Resonant degaussing apparatus

Resonant degaussing for a video display system

Safety control device for an actuator of the flap solenoid valve

Semiconductor memory device

Semiconductor memory device and its fabrication method